Weather World
Decatur County, TN Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Decatur County Weather Forecast
| TONIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | COLUMBUS DAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY |
 |  | |  |  |  |  | | | | |  |
| Chance of Showers | Chance of T-Storm | Chance of Showers | Mostly Cloudy | Partly Cloudy | Sunny | Clear | Sunny | Mostly Clear | Sunny | Mostly Clear | Chance of Showers |
| Lo: 59°FLo: 15°C | Hi: 69°FHi: 21°C | Lo: 59°FLo: 15°C | Hi: 75°FHi: 24°C | Lo: 59°FLo: 15°C | Hi: 89°FHi: 32°C | Lo: 59°FLo: 15°C | Hi: 89°FHi: 32°C | Lo: 61°FLo: 16°C | Hi: 89°FHi: 32°C | Lo: 61°FLo: 16°C | Hi: 85°FHi: 29°C |
| POP: 50% | POP: 100% | POP: 90% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 411 PM CDT Fri Oct 09 2026 
Decatur County Radar Loop
Use the map search tool if you want to place a location marker on the radar map...
Decatur County Weather Map
Decatur County Quick Facts
Decatur County Forecast Discussion
Meteorlogic Glosserator
Instant definitions for any meteorological term.
Instant definitions for any meteorological term.
Issued: 146 PM CDT Fri Oct 9 2026
Key Messages
Issued at 138 PM CDT Fri Oct 9 2026- Warm and dry conditions will persist today with highs in the mid 80s to low 90s. The remnants of Hurricane Isaias will impact much of the Mid-South on Saturday with primary impacts including wind gusts up to 45 mph and periods of heavy rainfall.
- A Flood Watch remains in effect for most areas east of the Mississippi River and an areawide Wind Advisory has been issued for Saturday. A few counties in northeast Mississippi are also now under a Tropical...